./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:20:00,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:20:00,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:20:00,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:20:00,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:20:00,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:20:00,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:20:00,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:20:00,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:20:00,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:20:00,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:20:00,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:20:00,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:20:00,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:20:00,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:20:00,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:20:00,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:20:00,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:20:00,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:20:00,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:20:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:20:00,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:20:00,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:20:00,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:20:00,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:20:00,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:20:00,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:20:00,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:20:00,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:20:00,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:20:00,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:20:00,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:20:00,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:20:00,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:20:00,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:20:00,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:20:00,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:20:00,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:20:00,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:20:00,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:20:00,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:20:00,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-28 20:20:00,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:20:00,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:20:00,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:20:00,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:20:00,456 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:20:00,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:20:00,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:20:00,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:20:00,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:20:00,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:20:00,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:20:00,458 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:20:00,458 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:20:00,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:20:00,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:20:00,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:20:00,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:20:00,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:20:00,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:20:00,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:20:00,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:20:00,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:20:00,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:20:00,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:20:00,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:20:00,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:20:00,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:20:00,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd [2019-11-28 20:20:00,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:20:00,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:20:00,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:20:00,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:20:00,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:20:00,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-1.i [2019-11-28 20:20:00,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8247fd676/1e480141febc4ce183b7117e6d3229fb/FLAG0048d60ae [2019-11-28 20:20:01,398 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:20:01,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-1.i [2019-11-28 20:20:01,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8247fd676/1e480141febc4ce183b7117e6d3229fb/FLAG0048d60ae [2019-11-28 20:20:01,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8247fd676/1e480141febc4ce183b7117e6d3229fb [2019-11-28 20:20:01,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:20:01,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:20:01,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:20:01,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:20:01,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:20:01,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:01" (1/1) ... [2019-11-28 20:20:01,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f679e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:01, skipping insertion in model container [2019-11-28 20:20:01,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:01" (1/1) ... [2019-11-28 20:20:01,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:20:01,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:20:02,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:20:02,321 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:20:02,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:20:02,437 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:20:02,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02 WrapperNode [2019-11-28 20:20:02,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:20:02,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:20:02,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:20:02,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:20:02,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... [2019-11-28 20:20:02,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:20:02,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:20:02,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:20:02,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:20:02,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:20:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:20:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:20:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:20:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:20:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:20:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:20:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:20:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:20:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:20:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:20:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:20:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:20:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:20:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:20:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:20:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:20:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:20:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:20:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:20:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:20:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:20:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:20:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:20:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:20:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:20:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:20:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 20:20:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:20:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:20:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:20:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:20:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:20:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:20:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:20:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:20:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:20:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:20:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:20:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:20:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:20:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:20:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:20:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:20:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:20:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:20:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:20:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:20:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:20:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:20:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:20:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:20:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:20:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:20:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:20:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:20:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:20:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:20:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:20:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:20:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:20:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:20:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:20:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:20:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:20:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:20:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:20:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:20:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:20:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:20:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:20:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:20:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:20:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:20:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:20:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:20:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:20:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:20:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:20:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:20:03,609 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:20:03,609 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 20:20:03,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:03 BoogieIcfgContainer [2019-11-28 20:20:03,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:20:03,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:20:03,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:20:03,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:20:03,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:20:01" (1/3) ... [2019-11-28 20:20:03,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7faf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:03, skipping insertion in model container [2019-11-28 20:20:03,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:02" (2/3) ... [2019-11-28 20:20:03,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b7faf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:03, skipping insertion in model container [2019-11-28 20:20:03,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:03" (3/3) ... [2019-11-28 20:20:03,621 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2019-11-28 20:20:03,632 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:20:03,642 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 84 error locations. [2019-11-28 20:20:03,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2019-11-28 20:20:03,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:20:03,681 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:20:03,681 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:20:03,681 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:20:03,682 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:20:03,683 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:20:03,683 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:20:03,683 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:20:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-11-28 20:20:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:20:03,722 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:03,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:03,724 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:03,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:03,732 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-11-28 20:20:03,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:03,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973183015] [2019-11-28 20:20:03,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:03,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973183015] [2019-11-28 20:20:03,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:03,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:20:03,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499061124] [2019-11-28 20:20:04,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:04,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:04,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:04,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:04,027 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2019-11-28 20:20:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:04,611 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2019-11-28 20:20:04,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:20:04,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:20:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:04,629 INFO L225 Difference]: With dead ends: 202 [2019-11-28 20:20:04,629 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 20:20:04,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 20:20:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2019-11-28 20:20:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-28 20:20:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 205 transitions. [2019-11-28 20:20:04,698 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 205 transitions. Word has length 7 [2019-11-28 20:20:04,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:04,699 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 205 transitions. [2019-11-28 20:20:04,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 205 transitions. [2019-11-28 20:20:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:20:04,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:04,700 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:04,701 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:04,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:04,702 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-11-28 20:20:04,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:04,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955029874] [2019-11-28 20:20:04,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:04,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955029874] [2019-11-28 20:20:04,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:04,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:20:04,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329706038] [2019-11-28 20:20:04,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:04,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:04,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:04,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:04,813 INFO L87 Difference]: Start difference. First operand 193 states and 205 transitions. Second operand 4 states. [2019-11-28 20:20:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:05,275 INFO L93 Difference]: Finished difference Result 222 states and 233 transitions. [2019-11-28 20:20:05,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:05,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:20:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:05,283 INFO L225 Difference]: With dead ends: 222 [2019-11-28 20:20:05,283 INFO L226 Difference]: Without dead ends: 222 [2019-11-28 20:20:05,284 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:05,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-28 20:20:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 202. [2019-11-28 20:20:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-11-28 20:20:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2019-11-28 20:20:05,315 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 7 [2019-11-28 20:20:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:05,315 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2019-11-28 20:20:05,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2019-11-28 20:20:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 20:20:05,318 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:05,318 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:05,319 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:05,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:05,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1719002423, now seen corresponding path program 1 times [2019-11-28 20:20:05,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:05,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784438150] [2019-11-28 20:20:05,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:05,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784438150] [2019-11-28 20:20:05,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:05,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:05,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425242191] [2019-11-28 20:20:05,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:05,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:05,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:05,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:05,430 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand 4 states. [2019-11-28 20:20:05,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:05,740 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2019-11-28 20:20:05,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:05,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 20:20:05,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:05,743 INFO L225 Difference]: With dead ends: 217 [2019-11-28 20:20:05,743 INFO L226 Difference]: Without dead ends: 217 [2019-11-28 20:20:05,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:05,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-28 20:20:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 200. [2019-11-28 20:20:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-28 20:20:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 222 transitions. [2019-11-28 20:20:05,759 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 222 transitions. Word has length 10 [2019-11-28 20:20:05,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:05,759 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 222 transitions. [2019-11-28 20:20:05,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 222 transitions. [2019-11-28 20:20:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:20:05,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:05,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:05,762 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:05,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:05,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537492, now seen corresponding path program 1 times [2019-11-28 20:20:05,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:05,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205975170] [2019-11-28 20:20:05,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:05,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205975170] [2019-11-28 20:20:05,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:05,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:05,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789357840] [2019-11-28 20:20:05,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:05,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:05,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:05,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:05,845 INFO L87 Difference]: Start difference. First operand 200 states and 222 transitions. Second operand 6 states. [2019-11-28 20:20:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:06,686 INFO L93 Difference]: Finished difference Result 347 states and 377 transitions. [2019-11-28 20:20:06,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:06,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 20:20:06,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:06,689 INFO L225 Difference]: With dead ends: 347 [2019-11-28 20:20:06,689 INFO L226 Difference]: Without dead ends: 347 [2019-11-28 20:20:06,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:06,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-28 20:20:06,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 199. [2019-11-28 20:20:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 20:20:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 221 transitions. [2019-11-28 20:20:06,700 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 221 transitions. Word has length 15 [2019-11-28 20:20:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:06,701 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 221 transitions. [2019-11-28 20:20:06,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 221 transitions. [2019-11-28 20:20:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:20:06,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:06,702 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:06,702 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:06,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:06,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537493, now seen corresponding path program 1 times [2019-11-28 20:20:06,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:06,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526641441] [2019-11-28 20:20:06,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:06,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526641441] [2019-11-28 20:20:06,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:06,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:06,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076828698] [2019-11-28 20:20:06,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:06,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:06,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:06,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:06,827 INFO L87 Difference]: Start difference. First operand 199 states and 221 transitions. Second operand 6 states. [2019-11-28 20:20:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:07,670 INFO L93 Difference]: Finished difference Result 374 states and 417 transitions. [2019-11-28 20:20:07,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:07,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 20:20:07,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:07,673 INFO L225 Difference]: With dead ends: 374 [2019-11-28 20:20:07,674 INFO L226 Difference]: Without dead ends: 374 [2019-11-28 20:20:07,674 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:07,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-11-28 20:20:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 198. [2019-11-28 20:20:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 20:20:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 220 transitions. [2019-11-28 20:20:07,683 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 220 transitions. Word has length 15 [2019-11-28 20:20:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:07,684 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 220 transitions. [2019-11-28 20:20:07,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 220 transitions. [2019-11-28 20:20:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 20:20:07,685 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:07,686 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:07,686 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:07,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:07,687 INFO L82 PathProgramCache]: Analyzing trace with hash 460436990, now seen corresponding path program 1 times [2019-11-28 20:20:07,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:07,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908612968] [2019-11-28 20:20:07,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:07,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908612968] [2019-11-28 20:20:07,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:07,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:07,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635639934] [2019-11-28 20:20:07,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:20:07,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:07,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:20:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:07,820 INFO L87 Difference]: Start difference. First operand 198 states and 220 transitions. Second operand 9 states. [2019-11-28 20:20:08,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:08,859 INFO L93 Difference]: Finished difference Result 346 states and 375 transitions. [2019-11-28 20:20:08,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:20:08,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-28 20:20:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:08,863 INFO L225 Difference]: With dead ends: 346 [2019-11-28 20:20:08,863 INFO L226 Difference]: Without dead ends: 346 [2019-11-28 20:20:08,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:20:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-28 20:20:08,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 197. [2019-11-28 20:20:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 20:20:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 20:20:08,872 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-11-28 20:20:08,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:08,872 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 20:20:08,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:20:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 20:20:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 20:20:08,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:08,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:08,874 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:08,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:08,874 INFO L82 PathProgramCache]: Analyzing trace with hash 460436991, now seen corresponding path program 1 times [2019-11-28 20:20:08,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:08,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102755680] [2019-11-28 20:20:08,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:09,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102755680] [2019-11-28 20:20:09,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:09,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:09,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855721828] [2019-11-28 20:20:09,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:20:09,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:09,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:20:09,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:09,015 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 9 states. [2019-11-28 20:20:10,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:10,229 INFO L93 Difference]: Finished difference Result 347 states and 376 transitions. [2019-11-28 20:20:10,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:20:10,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-28 20:20:10,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:10,233 INFO L225 Difference]: With dead ends: 347 [2019-11-28 20:20:10,233 INFO L226 Difference]: Without dead ends: 347 [2019-11-28 20:20:10,234 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:20:10,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-28 20:20:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 196. [2019-11-28 20:20:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-28 20:20:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 218 transitions. [2019-11-28 20:20:10,240 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 218 transitions. Word has length 18 [2019-11-28 20:20:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:10,241 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 218 transitions. [2019-11-28 20:20:10,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:20:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 218 transitions. [2019-11-28 20:20:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 20:20:10,241 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:10,242 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:10,242 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:10,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:10,242 INFO L82 PathProgramCache]: Analyzing trace with hash 190963596, now seen corresponding path program 1 times [2019-11-28 20:20:10,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:10,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469357324] [2019-11-28 20:20:10,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:10,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469357324] [2019-11-28 20:20:10,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:10,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:10,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241314714] [2019-11-28 20:20:10,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:10,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:10,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:10,276 INFO L87 Difference]: Start difference. First operand 196 states and 218 transitions. Second operand 4 states. [2019-11-28 20:20:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:10,517 INFO L93 Difference]: Finished difference Result 197 states and 219 transitions. [2019-11-28 20:20:10,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:10,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-11-28 20:20:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:10,519 INFO L225 Difference]: With dead ends: 197 [2019-11-28 20:20:10,519 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 20:20:10,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:10,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 20:20:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-28 20:20:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 20:20:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 20:20:10,526 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-11-28 20:20:10,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:10,526 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 20:20:10,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 20:20:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 20:20:10,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:10,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:10,528 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1165941967, now seen corresponding path program 1 times [2019-11-28 20:20:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:10,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002564713] [2019-11-28 20:20:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:10,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002564713] [2019-11-28 20:20:10,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:10,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:10,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971168956] [2019-11-28 20:20:10,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:20:10,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:10,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:20:10,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:10,615 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 8 states. [2019-11-28 20:20:11,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:11,142 INFO L93 Difference]: Finished difference Result 284 states and 312 transitions. [2019-11-28 20:20:11,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 20:20:11,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-28 20:20:11,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:11,145 INFO L225 Difference]: With dead ends: 284 [2019-11-28 20:20:11,145 INFO L226 Difference]: Without dead ends: 284 [2019-11-28 20:20:11,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:20:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-11-28 20:20:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 194. [2019-11-28 20:20:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:20:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 216 transitions. [2019-11-28 20:20:11,150 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 216 transitions. Word has length 20 [2019-11-28 20:20:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:11,151 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 216 transitions. [2019-11-28 20:20:11,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:20:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 216 transitions. [2019-11-28 20:20:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 20:20:11,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:11,152 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:11,152 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:11,153 INFO L82 PathProgramCache]: Analyzing trace with hash -932363818, now seen corresponding path program 1 times [2019-11-28 20:20:11,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:11,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937123816] [2019-11-28 20:20:11,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:11,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937123816] [2019-11-28 20:20:11,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:11,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:20:11,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063973243] [2019-11-28 20:20:11,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:11,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:11,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:11,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:11,219 INFO L87 Difference]: Start difference. First operand 194 states and 216 transitions. Second operand 6 states. [2019-11-28 20:20:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:11,606 INFO L93 Difference]: Finished difference Result 285 states and 312 transitions. [2019-11-28 20:20:11,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:11,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 20:20:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:11,609 INFO L225 Difference]: With dead ends: 285 [2019-11-28 20:20:11,609 INFO L226 Difference]: Without dead ends: 285 [2019-11-28 20:20:11,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:11,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-11-28 20:20:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 197. [2019-11-28 20:20:11,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 20:20:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 20:20:11,616 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 22 [2019-11-28 20:20:11,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:11,616 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 20:20:11,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 20:20:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 20:20:11,617 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:11,617 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:11,617 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759109, now seen corresponding path program 1 times [2019-11-28 20:20:11,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:11,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492802336] [2019-11-28 20:20:11,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:11,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492802336] [2019-11-28 20:20:11,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:11,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:11,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377864055] [2019-11-28 20:20:11,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:11,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:11,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:11,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:11,675 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 5 states. [2019-11-28 20:20:12,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:12,032 INFO L93 Difference]: Finished difference Result 192 states and 212 transitions. [2019-11-28 20:20:12,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:20:12,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 20:20:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:12,035 INFO L225 Difference]: With dead ends: 192 [2019-11-28 20:20:12,036 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 20:20:12,036 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 20:20:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2019-11-28 20:20:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-28 20:20:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 209 transitions. [2019-11-28 20:20:12,042 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 209 transitions. Word has length 24 [2019-11-28 20:20:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:12,042 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 209 transitions. [2019-11-28 20:20:12,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 209 transitions. [2019-11-28 20:20:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 20:20:12,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:12,044 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:12,044 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:12,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759108, now seen corresponding path program 1 times [2019-11-28 20:20:12,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:12,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444901235] [2019-11-28 20:20:12,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:12,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444901235] [2019-11-28 20:20:12,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:12,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:12,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771559214] [2019-11-28 20:20:12,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:12,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:12,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:12,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:12,127 INFO L87 Difference]: Start difference. First operand 187 states and 209 transitions. Second operand 5 states. [2019-11-28 20:20:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:12,568 INFO L93 Difference]: Finished difference Result 247 states and 262 transitions. [2019-11-28 20:20:12,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:20:12,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 20:20:12,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:12,571 INFO L225 Difference]: With dead ends: 247 [2019-11-28 20:20:12,571 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 20:20:12,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:12,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 20:20:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 210. [2019-11-28 20:20:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 20:20:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2019-11-28 20:20:12,579 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 24 [2019-11-28 20:20:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:12,580 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2019-11-28 20:20:12,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2019-11-28 20:20:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 20:20:12,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:12,581 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:12,582 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:12,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1474965198, now seen corresponding path program 1 times [2019-11-28 20:20:12,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:12,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441548090] [2019-11-28 20:20:12,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:12,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441548090] [2019-11-28 20:20:12,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:12,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:12,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616592185] [2019-11-28 20:20:12,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:12,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:12,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:12,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:12,668 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 5 states. [2019-11-28 20:20:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:12,930 INFO L93 Difference]: Finished difference Result 242 states and 256 transitions. [2019-11-28 20:20:12,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:20:12,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 20:20:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:12,932 INFO L225 Difference]: With dead ends: 242 [2019-11-28 20:20:12,932 INFO L226 Difference]: Without dead ends: 242 [2019-11-28 20:20:12,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:12,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-11-28 20:20:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 208. [2019-11-28 20:20:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-28 20:20:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 243 transitions. [2019-11-28 20:20:12,939 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 243 transitions. Word has length 26 [2019-11-28 20:20:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:12,941 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 243 transitions. [2019-11-28 20:20:12,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 243 transitions. [2019-11-28 20:20:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 20:20:12,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:12,944 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:12,945 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:12,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:12,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912478, now seen corresponding path program 1 times [2019-11-28 20:20:12,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:12,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556152440] [2019-11-28 20:20:12,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:13,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556152440] [2019-11-28 20:20:13,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:13,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:13,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645802821] [2019-11-28 20:20:13,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:13,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:13,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:13,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:13,022 INFO L87 Difference]: Start difference. First operand 208 states and 243 transitions. Second operand 6 states. [2019-11-28 20:20:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:13,537 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2019-11-28 20:20:13,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:13,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 20:20:13,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:13,540 INFO L225 Difference]: With dead ends: 296 [2019-11-28 20:20:13,540 INFO L226 Difference]: Without dead ends: 296 [2019-11-28 20:20:13,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:13,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-28 20:20:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 207. [2019-11-28 20:20:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-28 20:20:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 241 transitions. [2019-11-28 20:20:13,546 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 241 transitions. Word has length 26 [2019-11-28 20:20:13,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:13,546 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 241 transitions. [2019-11-28 20:20:13,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 241 transitions. [2019-11-28 20:20:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 20:20:13,547 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:13,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:13,547 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:13,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:13,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912479, now seen corresponding path program 1 times [2019-11-28 20:20:13,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:13,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405598294] [2019-11-28 20:20:13,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:13,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405598294] [2019-11-28 20:20:13,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:13,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:13,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704680195] [2019-11-28 20:20:13,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:13,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:13,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:13,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:13,607 INFO L87 Difference]: Start difference. First operand 207 states and 241 transitions. Second operand 6 states. [2019-11-28 20:20:14,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:14,173 INFO L93 Difference]: Finished difference Result 323 states and 383 transitions. [2019-11-28 20:20:14,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:14,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 20:20:14,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:14,176 INFO L225 Difference]: With dead ends: 323 [2019-11-28 20:20:14,176 INFO L226 Difference]: Without dead ends: 323 [2019-11-28 20:20:14,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-11-28 20:20:14,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 206. [2019-11-28 20:20:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-11-28 20:20:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2019-11-28 20:20:14,183 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 26 [2019-11-28 20:20:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:14,183 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2019-11-28 20:20:14,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2019-11-28 20:20:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 20:20:14,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:14,184 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:14,185 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:14,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:14,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283103, now seen corresponding path program 1 times [2019-11-28 20:20:14,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:14,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192030251] [2019-11-28 20:20:14,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:14,336 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192030251] [2019-11-28 20:20:14,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:14,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 20:20:14,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770876710] [2019-11-28 20:20:14,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:20:14,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:14,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:20:14,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:20:14,342 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 11 states. [2019-11-28 20:20:15,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:15,279 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2019-11-28 20:20:15,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:20:15,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2019-11-28 20:20:15,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:15,281 INFO L225 Difference]: With dead ends: 199 [2019-11-28 20:20:15,282 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 20:20:15,282 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 20:20:15,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 20:20:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2019-11-28 20:20:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-11-28 20:20:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 221 transitions. [2019-11-28 20:20:15,288 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 221 transitions. Word has length 30 [2019-11-28 20:20:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:15,288 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 221 transitions. [2019-11-28 20:20:15,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:20:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 221 transitions. [2019-11-28 20:20:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 20:20:15,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:15,289 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:15,289 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:15,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:15,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283104, now seen corresponding path program 1 times [2019-11-28 20:20:15,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:15,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519216565] [2019-11-28 20:20:15,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:15,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519216565] [2019-11-28 20:20:15,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:15,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 20:20:15,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103074542] [2019-11-28 20:20:15,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 20:20:15,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:15,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:20:15,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:20:15,410 INFO L87 Difference]: Start difference. First operand 189 states and 221 transitions. Second operand 10 states. [2019-11-28 20:20:16,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:16,023 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2019-11-28 20:20:16,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:20:16,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2019-11-28 20:20:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:16,025 INFO L225 Difference]: With dead ends: 189 [2019-11-28 20:20:16,025 INFO L226 Difference]: Without dead ends: 189 [2019-11-28 20:20:16,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-28 20:20:16,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2019-11-28 20:20:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 20:20:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2019-11-28 20:20:16,030 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 30 [2019-11-28 20:20:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:16,030 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2019-11-28 20:20:16,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 20:20:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2019-11-28 20:20:16,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 20:20:16,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:16,031 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:16,031 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:16,032 INFO L82 PathProgramCache]: Analyzing trace with hash -527131654, now seen corresponding path program 1 times [2019-11-28 20:20:16,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:16,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146150138] [2019-11-28 20:20:16,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:16,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146150138] [2019-11-28 20:20:16,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:16,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:16,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719749428] [2019-11-28 20:20:16,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:16,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:16,068 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand 4 states. [2019-11-28 20:20:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:16,256 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2019-11-28 20:20:16,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:16,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 20:20:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:16,258 INFO L225 Difference]: With dead ends: 261 [2019-11-28 20:20:16,258 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 20:20:16,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 20:20:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-11-28 20:20:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 20:20:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 228 transitions. [2019-11-28 20:20:16,265 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 228 transitions. Word has length 32 [2019-11-28 20:20:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:16,265 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 228 transitions. [2019-11-28 20:20:16,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 228 transitions. [2019-11-28 20:20:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 20:20:16,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:16,266 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:16,266 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:16,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:16,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1084730400, now seen corresponding path program 1 times [2019-11-28 20:20:16,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:16,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141815766] [2019-11-28 20:20:16,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:16,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141815766] [2019-11-28 20:20:16,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:16,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 20:20:16,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344848706] [2019-11-28 20:20:16,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:20:16,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:16,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:20:16,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:20:16,401 INFO L87 Difference]: Start difference. First operand 194 states and 228 transitions. Second operand 11 states. [2019-11-28 20:20:17,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:17,199 INFO L93 Difference]: Finished difference Result 200 states and 234 transitions. [2019-11-28 20:20:17,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:20:17,200 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-11-28 20:20:17,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:17,202 INFO L225 Difference]: With dead ends: 200 [2019-11-28 20:20:17,202 INFO L226 Difference]: Without dead ends: 200 [2019-11-28 20:20:17,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 20:20:17,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-28 20:20:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 190. [2019-11-28 20:20:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-11-28 20:20:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2019-11-28 20:20:17,207 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 32 [2019-11-28 20:20:17,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:17,207 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2019-11-28 20:20:17,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:20:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2019-11-28 20:20:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 20:20:17,208 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:17,208 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:17,208 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:17,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:17,209 INFO L82 PathProgramCache]: Analyzing trace with hash 838776545, now seen corresponding path program 1 times [2019-11-28 20:20:17,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:17,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874609736] [2019-11-28 20:20:17,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:17,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874609736] [2019-11-28 20:20:17,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:17,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:17,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717955853] [2019-11-28 20:20:17,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:17,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:17,251 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 4 states. [2019-11-28 20:20:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:17,428 INFO L93 Difference]: Finished difference Result 188 states and 221 transitions. [2019-11-28 20:20:17,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:17,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 20:20:17,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:17,430 INFO L225 Difference]: With dead ends: 188 [2019-11-28 20:20:17,430 INFO L226 Difference]: Without dead ends: 188 [2019-11-28 20:20:17,431 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:17,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-28 20:20:17,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-11-28 20:20:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 20:20:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 221 transitions. [2019-11-28 20:20:17,435 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 221 transitions. Word has length 33 [2019-11-28 20:20:17,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:17,436 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 221 transitions. [2019-11-28 20:20:17,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 221 transitions. [2019-11-28 20:20:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 20:20:17,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:17,436 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:17,437 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:17,437 INFO L82 PathProgramCache]: Analyzing trace with hash 232273455, now seen corresponding path program 1 times [2019-11-28 20:20:17,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:17,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146760670] [2019-11-28 20:20:17,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:17,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146760670] [2019-11-28 20:20:17,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:17,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 20:20:17,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787486171] [2019-11-28 20:20:17,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:20:17,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:17,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:20:17,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:17,552 INFO L87 Difference]: Start difference. First operand 188 states and 221 transitions. Second operand 9 states. [2019-11-28 20:20:18,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:18,117 INFO L93 Difference]: Finished difference Result 291 states and 332 transitions. [2019-11-28 20:20:18,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 20:20:18,118 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-11-28 20:20:18,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:18,119 INFO L225 Difference]: With dead ends: 291 [2019-11-28 20:20:18,119 INFO L226 Difference]: Without dead ends: 291 [2019-11-28 20:20:18,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:18,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-11-28 20:20:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 200. [2019-11-28 20:20:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-28 20:20:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2019-11-28 20:20:18,125 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 34 [2019-11-28 20:20:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:18,126 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2019-11-28 20:20:18,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:20:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2019-11-28 20:20:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 20:20:18,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:18,126 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:18,127 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:18,127 INFO L82 PathProgramCache]: Analyzing trace with hash 342223010, now seen corresponding path program 1 times [2019-11-28 20:20:18,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:18,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078388541] [2019-11-28 20:20:18,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:18,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078388541] [2019-11-28 20:20:18,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190746251] [2019-11-28 20:20:18,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:20:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:18,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 20:20:18,371 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:20:18,465 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:20:18,465 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,478 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,482 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 20:20:18,482 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,489 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,490 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,490 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-11-28 20:20:18,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,527 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 20:20:18,527 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,559 INFO L614 ElimStorePlain]: treesize reduction 5, result has 89.6 percent of original size [2019-11-28 20:20:18,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,566 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 20:20:18,566 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,577 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,577 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,578 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:39 [2019-11-28 20:20:18,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,630 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-11-28 20:20:18,631 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,652 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,660 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-11-28 20:20:18,661 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,677 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,678 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,678 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2019-11-28 20:20:18,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,764 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-11-28 20:20:18,764 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,776 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:20:18,785 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,785 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2019-11-28 20:20:18,786 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,793 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:20:18,794 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:20:18,794 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:7 [2019-11-28 20:20:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:18,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:20:18,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2019-11-28 20:20:18,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409933057] [2019-11-28 20:20:18,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:20:18,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:18,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:20:18,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:20:18,806 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand 12 states. [2019-11-28 20:20:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:19,684 INFO L93 Difference]: Finished difference Result 341 states and 373 transitions. [2019-11-28 20:20:19,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 20:20:19,687 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-11-28 20:20:19,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:19,689 INFO L225 Difference]: With dead ends: 341 [2019-11-28 20:20:19,689 INFO L226 Difference]: Without dead ends: 341 [2019-11-28 20:20:19,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2019-11-28 20:20:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-11-28 20:20:19,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 228. [2019-11-28 20:20:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 20:20:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 275 transitions. [2019-11-28 20:20:19,700 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 275 transitions. Word has length 36 [2019-11-28 20:20:19,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:19,700 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 275 transitions. [2019-11-28 20:20:19,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:20:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 275 transitions. [2019-11-28 20:20:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:20:19,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:19,701 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:19,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:20:19,914 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:19,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:19,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448733, now seen corresponding path program 1 times [2019-11-28 20:20:19,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:19,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640970273] [2019-11-28 20:20:19,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:20,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640970273] [2019-11-28 20:20:20,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:20,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 20:20:20,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209883114] [2019-11-28 20:20:20,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 20:20:20,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:20,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 20:20:20,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:20:20,091 INFO L87 Difference]: Start difference. First operand 228 states and 275 transitions. Second operand 12 states. [2019-11-28 20:20:21,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:21,317 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2019-11-28 20:20:21,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:20:21,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-11-28 20:20:21,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:21,323 INFO L225 Difference]: With dead ends: 461 [2019-11-28 20:20:21,323 INFO L226 Difference]: Without dead ends: 461 [2019-11-28 20:20:21,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:20:21,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-28 20:20:21,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 229. [2019-11-28 20:20:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-11-28 20:20:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 273 transitions. [2019-11-28 20:20:21,332 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 273 transitions. Word has length 38 [2019-11-28 20:20:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:21,332 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 273 transitions. [2019-11-28 20:20:21,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 20:20:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 273 transitions. [2019-11-28 20:20:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 20:20:21,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:21,333 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:21,333 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:21,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:21,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448732, now seen corresponding path program 1 times [2019-11-28 20:20:21,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:21,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744400152] [2019-11-28 20:20:21,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:21,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744400152] [2019-11-28 20:20:21,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:21,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 20:20:21,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864129788] [2019-11-28 20:20:21,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 20:20:21,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:21,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 20:20:21,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:20:21,539 INFO L87 Difference]: Start difference. First operand 229 states and 273 transitions. Second operand 13 states. [2019-11-28 20:20:23,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:23,323 INFO L93 Difference]: Finished difference Result 516 states and 573 transitions. [2019-11-28 20:20:23,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 20:20:23,324 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-28 20:20:23,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:23,327 INFO L225 Difference]: With dead ends: 516 [2019-11-28 20:20:23,327 INFO L226 Difference]: Without dead ends: 516 [2019-11-28 20:20:23,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-11-28 20:20:23,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-11-28 20:20:23,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 235. [2019-11-28 20:20:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 20:20:23,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 280 transitions. [2019-11-28 20:20:23,335 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 280 transitions. Word has length 38 [2019-11-28 20:20:23,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:23,335 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 280 transitions. [2019-11-28 20:20:23,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 20:20:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 280 transitions. [2019-11-28 20:20:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 20:20:23,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:23,336 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:23,336 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:23,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831822, now seen corresponding path program 1 times [2019-11-28 20:20:23,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:23,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767678333] [2019-11-28 20:20:23,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:23,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767678333] [2019-11-28 20:20:23,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:23,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:23,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020847732] [2019-11-28 20:20:23,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:23,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:23,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:23,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:23,398 INFO L87 Difference]: Start difference. First operand 235 states and 280 transitions. Second operand 6 states. [2019-11-28 20:20:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:23,880 INFO L93 Difference]: Finished difference Result 350 states and 413 transitions. [2019-11-28 20:20:23,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:23,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-11-28 20:20:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:23,883 INFO L225 Difference]: With dead ends: 350 [2019-11-28 20:20:23,883 INFO L226 Difference]: Without dead ends: 350 [2019-11-28 20:20:23,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:23,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-28 20:20:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 234. [2019-11-28 20:20:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 20:20:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2019-11-28 20:20:23,889 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 39 [2019-11-28 20:20:23,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:23,889 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2019-11-28 20:20:23,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2019-11-28 20:20:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 20:20:23,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:23,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:23,891 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:23,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:23,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831821, now seen corresponding path program 1 times [2019-11-28 20:20:23,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:23,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264000945] [2019-11-28 20:20:23,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:23,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264000945] [2019-11-28 20:20:23,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:23,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:23,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412584811] [2019-11-28 20:20:23,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:23,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:23,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:23,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:23,975 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 6 states. [2019-11-28 20:20:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:24,547 INFO L93 Difference]: Finished difference Result 377 states and 451 transitions. [2019-11-28 20:20:24,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:24,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-11-28 20:20:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:24,551 INFO L225 Difference]: With dead ends: 377 [2019-11-28 20:20:24,551 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 20:20:24,551 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:24,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 20:20:24,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 233. [2019-11-28 20:20:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 20:20:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 278 transitions. [2019-11-28 20:20:24,557 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 278 transitions. Word has length 39 [2019-11-28 20:20:24,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:24,557 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 278 transitions. [2019-11-28 20:20:24,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 278 transitions. [2019-11-28 20:20:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 20:20:24,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:24,558 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:24,559 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:24,559 INFO L82 PathProgramCache]: Analyzing trace with hash 721217219, now seen corresponding path program 1 times [2019-11-28 20:20:24,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:24,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971547231] [2019-11-28 20:20:24,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:24,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971547231] [2019-11-28 20:20:24,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:24,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-28 20:20:24,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937179701] [2019-11-28 20:20:24,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 20:20:24,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:24,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:20:24,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:24,918 INFO L87 Difference]: Start difference. First operand 233 states and 278 transitions. Second operand 15 states. [2019-11-28 20:20:25,932 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-11-28 20:20:26,455 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-11-28 20:20:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:27,471 INFO L93 Difference]: Finished difference Result 521 states and 571 transitions. [2019-11-28 20:20:27,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 20:20:27,472 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40 [2019-11-28 20:20:27,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:27,475 INFO L225 Difference]: With dead ends: 521 [2019-11-28 20:20:27,475 INFO L226 Difference]: Without dead ends: 521 [2019-11-28 20:20:27,476 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-11-28 20:20:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-11-28 20:20:27,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 233. [2019-11-28 20:20:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 20:20:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 277 transitions. [2019-11-28 20:20:27,482 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 277 transitions. Word has length 40 [2019-11-28 20:20:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:27,483 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 277 transitions. [2019-11-28 20:20:27,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 20:20:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 277 transitions. [2019-11-28 20:20:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-28 20:20:27,483 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:27,484 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:27,484 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:27,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:27,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1182524174, now seen corresponding path program 1 times [2019-11-28 20:20:27,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:27,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84809043] [2019-11-28 20:20:27,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:20:27,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84809043] [2019-11-28 20:20:27,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:27,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:27,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554588642] [2019-11-28 20:20:27,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:20:27,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:27,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:20:27,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:27,584 INFO L87 Difference]: Start difference. First operand 233 states and 277 transitions. Second operand 8 states. [2019-11-28 20:20:27,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:27,986 INFO L93 Difference]: Finished difference Result 249 states and 293 transitions. [2019-11-28 20:20:27,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:20:27,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-11-28 20:20:27,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:27,988 INFO L225 Difference]: With dead ends: 249 [2019-11-28 20:20:27,988 INFO L226 Difference]: Without dead ends: 249 [2019-11-28 20:20:27,988 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:20:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-11-28 20:20:27,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 242. [2019-11-28 20:20:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-28 20:20:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-11-28 20:20:27,993 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 41 [2019-11-28 20:20:27,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:27,993 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-11-28 20:20:27,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:20:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-11-28 20:20:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 20:20:27,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:27,994 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:27,995 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:27,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:27,995 INFO L82 PathProgramCache]: Analyzing trace with hash -705085753, now seen corresponding path program 1 times [2019-11-28 20:20:27,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:28,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467240417] [2019-11-28 20:20:28,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:28,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467240417] [2019-11-28 20:20:28,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:28,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:28,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161856374] [2019-11-28 20:20:28,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:28,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:28,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:28,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:28,041 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 4 states. [2019-11-28 20:20:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:28,203 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2019-11-28 20:20:28,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:28,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-11-28 20:20:28,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:28,206 INFO L225 Difference]: With dead ends: 243 [2019-11-28 20:20:28,206 INFO L226 Difference]: Without dead ends: 243 [2019-11-28 20:20:28,206 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:28,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-28 20:20:28,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-28 20:20:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-28 20:20:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2019-11-28 20:20:28,213 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 42 [2019-11-28 20:20:28,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:28,213 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2019-11-28 20:20:28,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2019-11-28 20:20:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 20:20:28,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:28,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:28,215 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:28,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:28,216 INFO L82 PathProgramCache]: Analyzing trace with hash -435612359, now seen corresponding path program 1 times [2019-11-28 20:20:28,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:28,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941983977] [2019-11-28 20:20:28,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:28,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941983977] [2019-11-28 20:20:28,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:28,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-28 20:20:28,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461191639] [2019-11-28 20:20:28,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 20:20:28,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:28,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:20:28,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:28,441 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand 15 states. [2019-11-28 20:20:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:29,705 INFO L93 Difference]: Finished difference Result 262 states and 307 transitions. [2019-11-28 20:20:29,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 20:20:29,706 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-11-28 20:20:29,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:29,708 INFO L225 Difference]: With dead ends: 262 [2019-11-28 20:20:29,708 INFO L226 Difference]: Without dead ends: 262 [2019-11-28 20:20:29,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-11-28 20:20:29,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-11-28 20:20:29,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2019-11-28 20:20:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-28 20:20:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-11-28 20:20:29,714 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 42 [2019-11-28 20:20:29,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:29,715 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-11-28 20:20:29,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 20:20:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-11-28 20:20:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 20:20:29,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:29,716 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:29,716 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:29,717 INFO L82 PathProgramCache]: Analyzing trace with hash -435612358, now seen corresponding path program 1 times [2019-11-28 20:20:29,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:29,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733802664] [2019-11-28 20:20:29,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:29,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733802664] [2019-11-28 20:20:29,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:29,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-28 20:20:29,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245626713] [2019-11-28 20:20:29,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 20:20:29,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:29,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:20:29,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:29,923 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 15 states. [2019-11-28 20:20:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:31,210 INFO L93 Difference]: Finished difference Result 261 states and 306 transitions. [2019-11-28 20:20:31,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 20:20:31,211 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-11-28 20:20:31,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:31,213 INFO L225 Difference]: With dead ends: 261 [2019-11-28 20:20:31,213 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 20:20:31,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-11-28 20:20:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 20:20:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2019-11-28 20:20:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-11-28 20:20:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 285 transitions. [2019-11-28 20:20:31,219 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 285 transitions. Word has length 42 [2019-11-28 20:20:31,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:31,220 INFO L462 AbstractCegarLoop]: Abstraction has 241 states and 285 transitions. [2019-11-28 20:20:31,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 20:20:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 285 transitions. [2019-11-28 20:20:31,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-28 20:20:31,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:31,221 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:31,221 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 20:20:31,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1935015935, now seen corresponding path program 1 times [2019-11-28 20:20:31,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:31,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027441066] [2019-11-28 20:20:31,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:20:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:20:31,274 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:20:31,274 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:20:31,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:20:31 BoogieIcfgContainer [2019-11-28 20:20:31,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:20:31,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:20:31,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:20:31,316 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:20:31,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:03" (3/4) ... [2019-11-28 20:20:31,319 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:20:31,371 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:20:31,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:20:31,373 INFO L168 Benchmark]: Toolchain (without parser) took 29639.55 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 312.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:31,373 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:20:31,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:31,374 INFO L168 Benchmark]: Boogie Preprocessor took 88.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:31,375 INFO L168 Benchmark]: RCFGBuilder took 1082.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:31,375 INFO L168 Benchmark]: TraceAbstraction took 27703.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:31,376 INFO L168 Benchmark]: Witness Printer took 55.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:20:31,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1082.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27703.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -98.3 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L992] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L994] list->prev = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L995] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L997] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1011] end = ((void*)0) [L1012] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1015] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] COND TRUE ((void*)0) != end [L1019] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] SLL* inner = end->inner; [L1021] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1023] COND TRUE len == 0 [L1024] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1028] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1028] COND FALSE !(!(((void*)0) == inner->inner)) [L1029] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] COND TRUE !(((void*)0) != inner->next) [L1029] __VERIFIER_error() VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 202 locations, 84 error locations. Result: UNSAFE, OverallTime: 27.5s, OverallIterations: 32, TraceHistogramMax: 2, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4811 SDtfs, 7242 SDslu, 14310 SDs, 0 SdLazy, 17734 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 457 GetRequests, 121 SyntacticMatches, 5 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 31 MinimizatonAttempts, 2526 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 251581 SizeOfPredicates, 9 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 32 InterpolantComputations, 30 PerfectInterpolantSequences, 3/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...